author | William Roberts <williamr@symbian.org> |
Tue, 04 Aug 2009 10:28:23 +0100 | |
changeset 2 | d55eb581a87c |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Subject: Re: What language would you use? |
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From: Tom Christiansen <tchrist@mox.perl.com> |
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Date: 6 Nov 1994 15:14:51 GMT |
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Newsgroups: comp.lang.python,comp.lang.tcl,comp.lang.scheme,comp.lang.misc,comp.lang.perl |
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Message-Id: <39irtb$3t4@csnews.cs.Colorado.EDU> |
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References: <39b7ha$j9v@zeno.nscf.org> <39hhjp$lgn@csnews.cs.Colorado.EDU> <39hvsu$dus@mathserv.mps.ohio-state.edu> |
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[...] |
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If you're really into benchmarks, I'd love it if someone were to code up |
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the following problems in tcl, python, and scheme (and whatever else you'd |
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like). Separate versions (one optimized for speed, one for beauty :-) are |
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ok. Post your code so we can time it on our own systems. |
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0) Factorial Test (numerics and function calls) |
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(we did this already) |
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1) Regular Expressions Test |
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Read a file of (extended per egrep) regular expressions (one per line), |
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and apply those to all files whose names are listed on the command line. |
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Basically, an 'egrep -f' simulator. Test it with 20 "vt100" patterns |
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against a five /etc/termcap files. Tests using more elaborate patters |
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would also be interesting. Your code should not break if given hundreds |
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of regular expressions or binary files to scan. |
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2) Sorting Test |
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Sort an input file that consists of lines like this |
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var1=23 other=14 ditto=23 fred=2 |
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such that each output line is sorted WRT to the number. Order |
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of output lines does not change. Resolve collisions using the |
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variable name. e.g. |
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fred=2 other=14 ditto=23 var1=23 |
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Lines may be up to several kilobytes in length and contain |
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zillions of variables. |
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3) System Test |
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Given a list of directories, report any bogus symbolic links contained |
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anywhere in those subtrees. A bogus symbolic link is one that cannot |
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be resolved because it points to a nonexistent or otherwise |
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unresolvable file. Do *not* use an external find executable. |
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Directories may be very very deep. Print a warning immediately if the |
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system you're running on doesn't support symbolic links. |
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I'll post perl solutions if people post the others. |
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--tom |
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-- |
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Tom Christiansen Perl Consultant, Gamer, Hiker tchrist@mox.perl.com |
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"But Billy! A *small* allowance prepares you for a lifetime of small |
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salaries and for your Social Security payments." --Family Circus |